Pack Of 4 Shielded Ball Bearings 4 By 10 By 3 mm Deep Groove Chrome Steel 52100 Pre Lubricated With ZZ Shields Dust Resistant For Precision Hobby RC Models Machinery And Small Appliances

Shielded 4x10x3mm Ball Bearing with Dust Protection
✔️ Shielded 4x10x3 mm deep groove bearing, single unit, pre-lubed

These compact shielded ball bearings measure 4x10x3 mm and are built from durable 52100 chrome steel. They feature double metal shields (ZZ) to seal out dust and dirt and ship pre-lubricated for instant use in compact machinery, hobby gear, and precision assemblies.

✅ Bore: 4 mm
✅ Outer diameter: 10 mm
✅ Width: 3 mm
✅ Shield: ZZ double metal shields for dust protection
✅ Material: 52100 chrome steel
✅ Lubrication: pre-lubed with grease
✅ Quantity: 1 bearing

💡 What is a shielded ball bearing used for in small mechanical assemblies?

These handy bearings are built to keep tiny shafts turning smoothly in tight, dusty spaces. - Use in micro robotics and RC models - Ideal for drones, 3D printers, and compact actuators - Helps extend life by blocking dust and debris